Unlock the window using the latches.
Pull the tabs towards the center to release the window.
Pull the window towards you to gain access to the screen.
Each screen has two tabs at the top. Reach in and turn each tab a half turn, clockwise to free the tabs.
Pull the screen towards you, away from the frame.
Fully remove the screen by lifting it out from the top. Once done, pull the tabs towards the center, push the window forward, and relatch.